Col. Lang mentions the involvement of the UK at the end. Some may be wondering what's up with that, as well as why France is so interested in Syria, too. Britain and France were the colonial powers in the region and can't beyond it. Of course, this pertains to much more than in the Middle East and Africa.
Sic Semper Tyrannis
Syria/Iraq Roundup - 17 December 2016
Col. W. Patrick Lang, US Army (ret.), former military intelligence officer at the US Defense Intelligence Agency